Pretzels have been around for more than a thousand years, originating in southern Europe around 610 A.D., according to historians. Today, crispy,
hard pretzels are consumed by people in many of the countries represented at the 2012 Olympics.

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Effects of Organic Production on Food Quality is the first comprehensive book on how organic production methods influence the safety and quality of foods, based on an unbiased assessment of the latest scientific findings. The title is a 'must-have' for everyone working within the food industry.